Wakayama, Japan

Toshinao Ukena

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Kao Corporation, Kao Soap Company, Ltd.. Active years: 1978-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshinao Ukena. Retrieved from https://idiyas.com/inventor/toshinao-ukena

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0


Average Co-Inventor Count = 4.4

ph-index = 4

Forward Citations = 50(Granted Patents)


Location History:

  • Wakayama, JA (1978)
  • Wakayama, JP (1979 - 2004)

Company Filing History:


Years Active: 1978-2004

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4 patents (USPTO):Explore Patents

Title: Toshinao Ukena: Innovator in Polymer Chemistry

Introduction

Toshinao Ukena is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of (meth)acrylic polymers. With a total of 4 patents to his name, Ukena's work has had a substantial impact on various industries.

Latest Patents

Ukena's latest patents include a process for the production of (meth)acrylic polymers. This invention discloses a method for preparing a (meth)acrylic acid-based polymer that maintains stable quality and is suitable as a dispersant for cement. The process involves two stages: the first stage introduces (meth)acrylic acid and a polyalkylene glycol monoalkyl ether at a specific molar ratio, followed by an esterification reaction. The second stage copolymerizes the resulting (meth)acrylate and (meth)acrylic acid residues at a controlled pH. Another significant patent involves the preparation of novel ether carboxylates, which are useful as surfactants in cosmetics, detergents, and other applications. These ether carboxylates can be produced from inexpensive starting materials with high yield.

Career Highlights

Throughout his career, Ukena has worked with prominent companies such as Kao Soap Company, Ltd. and Kao Corporation. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to innovative product development.

Collaborations

Ukena has collaborated with notable colleagues, including Hirokazu Nakayama and Hisao Tsutsumi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Toshinao Ukena's contributions to polymer chemistry and his innovative patents highlight his role as a significant inventor in the field. His work continues to influence various industries, showcasing the importance of research and development in advancing technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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